Phase II randomized study of vandetanib plus gemcitabine or gemcitabine plus placebo as first-line treatment of advanced non-small-cell lung cancer in elderly patients

Gridelli, C; Novello, S; Zilembo, N; Luciani, A; Favaretto, Ag; De Marinis, F; Genestreti, G; Crinò, L; Grossi, F; Caffo, O; Ferraù, F; Cruciani, G; Brandes, Aa; Galetta, D; Barni, S; Fasola, G; Cerea, G; Ferrari, S; Iannacone, C; Ciardiello, F